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The body of a car is suspended on four identical springs. Consider a car with a mass of 1410 kg. This mass is evenly distributed over the four springs. These springs cause the car to oscillate with a frequency of 2.85 Hz when empty. What is the spring constant of one of these springs? Five large people, each with a mass of 115 kg climb into the car. What distance does the suspension of the car drop? What frequency does the car oscillate with now?
A drag racer starts her car from rest and accelerates at 11.9 m/s2 for the entire distance of 263 meter. Obtain how long did it take the car to travel this distance
Quentin is lifting a 10 kg dumbbell by pulling upward on it with a 108.1 N force. What is the acceleration of the dumbbell
A prism with angles 45ο , 45ο,and 90ο is to be utilized to turn a beam of light during a 90ο angle. What is the minimum index of refraction for the material of the prism that will give the total internal reflection required?
A child slides down a playground slide; the coefficient of the kinetic friction is uk=0.15, with what speed does she exit the slide
Kinetic energy KE has dimensions kg · m^2/s^2. It can be written in terms of the momentum p and mass m as KE=p^2/2m. (a) Determine the proper units for momentum using dimensional analysis. (Use the following as necessary: kg, m, and s.)
Margaret walks to the store using the following path: .500 miles west, .200 miles north, .300 miles east. What is her total displacement
consider the galvanic cell with sn2sn and agag both prepared with no3- as their anion and all solutions prepared at 1.0
In the amusement park ride known as Magic Mountain Superman, powerful magnets accelerate a car and its riders from rest to 56 m/s (around 130 mi/h) in a time of 7.2 s
The celsius and fahrenheit temperature scales are two common ways to measure temperatures in very day situations.
A small metal sphere of mass 6.9 g and charge 5.9 μC is firedwith an initial speed of 4.9 m/s directly toward the center of asecond metal sphere carrying charge 7.2 μC. This second sphereis held fixed.
A hydraulic lift has pistons with diameters 7.80 cm and 36.2 cm,respectively. what maximum mass can be lifted at the output piston
A cannon fires a cannonball from the top of a wall at a speed of 23.07 m/s and an angle of 19.56 degrees from the horizontal. What is the horizontal distance from the wall where the fired cannonball hits the ground
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